Someday,If you want to replace the battery of the GARMIN Fenix 3 HR - YouTube
Original Replacement Battery 361-00034-02 For Garmin Fenix 3 Fenix3 F3 HR GPS sports watch battery 290mAh - AliExpress
Hi everyone! First post so here goes. Who's still rocking a Fenix 3 with the original battery.....5 years on!? Can you guess what my next question will be? Do Garmin still not
Original Back Case For Garmin Fenix 3 Fenix 3 Hr Sport Smart Watch Back Cover Without Battery Housing Case Replacement Part - Smart Accessories - AliExpress